Expose the webRoot in the manifest

Author: moonglum

lib/manifest.js

@@ -7,10 +7,14 @@ let path = require("path");
 
 module.exports = class Manifest {
 	constructor(referenceDir, { target, key, value, baseURI, webRoot } = {}) {
+		if(value && (baseURI || webRoot)) {
+			abort("ERROR: `value` must not be used with `baseURI` and/or `webRoot`");
+		}
+		this.webRoot = webRoot = resolvePath(webRoot || "./", referenceDir,
+				{ enforceRelative: true });
+
 		if(target) {
-			this.filepath = resolvePath(target, referenceDir, {
-				enforceRelative: true
-			});
+			this.filepath = resolvePath(target, referenceDir, { enforceRelative: true });
 		}
 		this._index = new Map();
 
@@ -21,14 +25,9 @@ module.exports = class Manifest {
 		}
 
 		if(value) {
-			if(baseURI || webRoot) {
-				abort("ERROR: `value` cannot be used with `baseURI` and/or `webRoot`");
-			}
 			this.valueTransform = value;
 		} else {
 			baseURI = baseURI || "/";
-			webRoot = resolvePath(webRoot || "./", referenceDir,
-					{ enforceRelative: true });
 			this.valueTransform = filepath => baseURI + path.relative(webRoot, filepath);
 		}
 	}